diff --git a/src/lxplib.c b/src/lxplib.c
index 1c972db..f72ef13 100644
--- a/src/lxplib.c
+++ b/src/lxplib.c
@@ -586,7 +586,7 @@ static void set_info (lua_State *L) {
 }
 
 
-#if !defined LUA_VERSION_NUM || LUA_VERSION_NUM==501
+#if !defined(luaL_newlibtable) && (!defined LUA_VERSION_NUM || LUA_VERSION_NUM==501)
 /*
 ** Adapted from Lua 5.2.0
 */